4429309 has 4 divisors (see below), whose sum is σ = 4472416. Its totient is φ = 4386204.

The previous prime is 4429297. The next prime is 4429331. The reversal of 4429309 is 9039244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4429309 - 2⁵ = 4429277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21399 + ... + 21604.

It is an arithmetic number, because the mean of its divisors is an integer number (1118104).

Almost surely, 2^4429309 is an apocalyptic number.

It is an amenable number.

4429309 is a deficient number, since it is larger than the sum of its proper divisors (43107).

4429309 is a wasteful number, since it uses less digits than its factorization.

4429309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43106.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 4429309 is about 2104.5923595794. The cubic root of 4429309 is about 164.2272899463.

The spelling of 4429309 in words is "four million, four hundred twenty-nine thousand, three hundred nine".